/* 轮播图 */
#slider{
    width: 90%;
    height: 3.24rem;
    position: relative;
    margin: auto;
}
#slider ul{
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}
#slider ul li{
    width: 100%;
    height: 100%;
}
#slider ul li img{
    width: 100%;
    height: 100%;
    border-radius: 15px;
}
.slider-list_item,
.slider-list_item-selected{
  position: absolute;
  transition: opacity 1s;
  opacity: 0;
  text-align: center;
}

.slider-list_item-selected{
    transition: opacity 1s;
    opacity: 1;
  }